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Wednesday, September 23, 2015

Bacterial Research:People emit their own personal microbial cloud ♦ E. coli more virulent when accompanied by beneficial bacteria ♦ How E. coli strain acquired deadly powers

Antibacterial soap no more effective than plain soap at reducing bacterial contamination Using antibacterial soap when hand-washing is no more effective than using plain soap, according to a new paper. The study examined the effect of triclosan (the most commonly used active antiseptic ingredient used in soap) on bacteria.
Dominant strain of drug-resistant MRSA decreases in hospitals, but persists in community The incidence of the most common strain of Methicillin-resistant Staphylococcus aureus (MRSA) infections has decreased in hospital-onset cases, but has failed to decline in the broader community
E. coli more virulent when accompanied by beneficial bacteria Scientists wonder why some people get so sick and even die after being infected by the foodborne pathogen E. coli O157:H7, while others experience much milder symptoms and recover relatively quickly. Now researchers believe they have discovered an explanation.
Superbug study reveals how E. coli strain acquired deadly powers A strain of E. coli became a potentially fatal infection in the UK around 30 years ago, when it acquired a powerful toxin, a gene study has revealed. Scientists say new findings show that E. coli O157 is continuing to evolve and should be monitored closely.
The 'Pig-Pen' in each of us: People emit their own personal microbial cloud We each give off millions of bacteria from our human microbiome to the air around us every day, and that cloud of bacteria can be traced back to an individual. New research focused on the personal microbial cloud -- the airborne microbes we emit into the air -- examined the microbial connection we have with the air around us. The findings demonstrate the extent to which humans possess a unique 'microbial cloud signature

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